/*
 * Neco Edu Pro — auth pages (login, register, password recovery, 2FA, email verification).
 * Same design language as the admin UI (MinhBee Admin UI Framework tokens, radii, focus rings) in the public Neco blue.
 * Next keeps route CSS loaded after client navigation, so every rule is scoped to .na-page or an .na-* class.
 */

/* ── 1. Tokens ───────────────────────────────────────────────────────────────────────────── */
.na-page {
  color-scheme: light;
  --na-accent: #1748c7;
  --na-accent-ink: #1a44b8;
  --na-accent-soft: color-mix(in srgb, var(--na-accent) 10%, transparent);
  --na-focus: color-mix(in srgb, var(--na-accent) 26%, transparent);
  --na-btn-from: #2159e0;
  --na-btn-to: #1540b3;

  --na-bg: #f4f6fa;
  --na-surface: #ffffff;
  --na-surface-2: #f8fafc;
  --na-field: #ffffff;
  --na-border: #e4e8ef;
  --na-border-strong: #d3dae5;
  --na-text: #172033;
  --na-muted: #667085;
  --na-subtle: #8a94a6;
  --na-hover: color-mix(in srgb, var(--na-text) 5%, transparent);

  --na-success: #16a36a;
  --na-warning: #d98b18;
  --na-danger: #d64555;
  --na-info: #4675e8;
  --na-success-ink: #0f7a4f;
  --na-warning-ink: #a35f00;
  --na-danger-ink: #b42336;
  --na-info-ink: #2f5bd3;

  --na-shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 12px 32px -4px rgba(16, 24, 40, .08);
  --na-radius: 18px;
  --na-radius-md: 12px;
  --na-radius-sm: 10px;
  --na-h: 46px;
  --na-dur: 180ms;
  --na-ease: cubic-bezier(.2, .8, .2, 1);
  --na-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  .na-page {
    color-scheme: dark;
    --na-accent: #6b95ff;
    --na-accent-ink: #9ab7ff;
    --na-accent-soft: color-mix(in srgb, var(--na-accent) 14%, transparent);
    --na-focus: color-mix(in srgb, var(--na-accent) 34%, transparent);
    --na-btn-from: #2f63ea;
    --na-btn-to: #1a47c2;

    --na-bg: #080d13;
    --na-surface: #0f151d;
    --na-surface-2: #0c1219;
    --na-field: #0b1118;
    --na-border: #232c37;
    --na-border-strong: #343f4d;
    --na-text: #f5f7fa;
    --na-muted: #8f99a6;
    --na-subtle: #6f7a89;
    --na-hover: color-mix(in srgb, var(--na-text) 7%, transparent);

    --na-success-ink: #4fd39a;
    --na-warning-ink: #f2b04e;
    --na-danger-ink: #ff7b88;
    --na-info-ink: #86a6ff;

    --na-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 18px 44px -8px rgba(0, 0, 0, .5);
  }
}

/* Overscroll and the area behind the page follow the auth surface instead of the site background. */
html:has(.na-page), html:has(.na-page) body { background: #f4f6fa; }
@media (prefers-color-scheme: dark) {
  html:has(.na-page), html:has(.na-page) body { background: #080d13; color-scheme: dark; }
}

/* ── 2. Page layout ──────────────────────────────────────────────────────────────────────── */
.na-page {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--na-bg);
  color: var(--na-text);
  font-size: 15px;
  line-height: 1.5;
}
.na-page :where(a, button):focus-visible { outline: 2px solid var(--na-accent); outline-offset: 2px; }

@media (min-width: 1024px) {
  .na-page { grid-template-columns: clamp(420px, 42vw, 680px) minmax(0, 1fr); }
}

/* ── 3. Brand panel (desktop) ────────────────────────────────────────────────────────────── */
.na-brand { display: none; }

@media (min-width: 1024px) {
  .na-brand {
    position: sticky;
    top: 0;
    align-self: start;
    height: 100vh;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 36px clamp(36px, 4vw, 56px);
    overflow: hidden;
    isolation: isolate;
    color: #fff;
    background:
      radial-gradient(60% 45% at 88% 8%, rgba(107, 149, 255, .38), transparent 70%),
      radial-gradient(55% 40% at 0% 100%, rgba(80, 70, 229, .30), transparent 70%),
      linear-gradient(158deg, #0a1a4a 0%, #0f2a7d 52%, #1748c7 100%);
  }
  .na-brand::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
      linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(ellipse 75% 60% at 30% 35%, #000 20%, transparent 75%);
    mask-image: radial-gradient(ellipse 75% 60% at 30% 35%, #000 20%, transparent 75%);
  }
  .na-brand::after {
    content: "";
    position: absolute;
    right: -150px;
    bottom: -150px;
    z-index: -1;
    width: 440px;
    height: 440px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, .16), rgba(255, 255, 255, 0) 62%);
  }
}

.na-brand :where(a):focus-visible { outline-color: #fff; }
.na-brand__body { display: grid; max-width: 480px; margin-block: auto; }
.na-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 6px 12px;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .92);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .01em;
}
.na-chip svg { color: #b9ccff; }
.na-brand__title {
  margin: 22px 0 14px;
  font-size: clamp(28px, 2.5vw, 36px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.03em;
  text-wrap: balance;
}
.na-brand__lead { max-width: 440px; margin: 0; color: rgba(255, 255, 255, .76); font-size: 15.5px; line-height: 1.65; }
.na-features { display: grid; gap: 18px; margin: 32px 0 0; padding: 0; list-style: none; }
.na-features li { display: grid; grid-template-columns: 42px minmax(0, 1fr); gap: 14px; align-items: start; }
.na-features__icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 12px;
  background: rgba(255, 255, 255, .09);
  color: #cddcff;
}
.na-features strong { display: block; margin-top: 1px; font-size: 15px; font-weight: 700; }
.na-features p { margin: 3px 0 0; color: rgba(255, 255, 255, .7); font-size: 13.5px; line-height: 1.55; }
.na-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .14);
}
.na-stats > div { display: flex; flex-direction: column-reverse; gap: 2px; }
.na-stats dt { color: rgba(255, 255, 255, .66); font-size: 12.5px; }
.na-stats dd { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: -.02em; }
.na-brand__foot { margin: 0; color: rgba(255, 255, 255, .58); font-size: 12.5px; }

@media (min-width: 1024px) and (max-height: 780px) {
  .na-stats { display: none; }
  .na-features { gap: 14px; margin-top: 24px; }
}
@media (min-width: 1024px) and (max-height: 640px) {
  .na-brand__lead, .na-brand__foot { display: none; }
}

/* ── 4. Logo · main column · card ────────────────────────────────────────────────────────── */
.na-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-radius: 12px;
  color: var(--na-text);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: -.02em;
  text-decoration: none;
}
.na-logo__mark {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--na-btn-from), var(--na-btn-to));
  box-shadow: 0 6px 16px -4px color-mix(in srgb, var(--na-btn-to) 60%, transparent);
  color: #fff;
  font-size: 13px;
  letter-spacing: -.02em;
}
.na-brand .na-logo { color: #fff; }
.na-brand .na-logo__mark { background: #fff; color: #1748c7; box-shadow: 0 8px 20px -6px rgba(0, 0, 0, .45); }

.na-main {
  min-width: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 18px clamp(16px, 4vw, 40px) 0;
  background: radial-gradient(900px 420px at 50% -12%, color-mix(in srgb, var(--na-accent) 8%, transparent), transparent 70%);
}
.na-top { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.na-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--na-muted);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: color var(--na-dur) var(--na-ease), background var(--na-dur) var(--na-ease);
}
.na-back:hover { background: var(--na-hover); color: var(--na-text); }
@media (min-width: 1024px) {
  .na-top { justify-content: flex-end; }
  .na-top .na-logo { display: none; }
}

.na-center { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 28px 0 36px; }
.na-card {
  position: relative;
  width: 100%;
  max-width: 448px;
  padding: 32px;
  border: 1px solid var(--na-border);
  border-radius: var(--na-radius);
  background: var(--na-surface);
  box-shadow: var(--na-shadow);
  animation: na-rise .45s var(--na-ease) both;
}
.na-card > .na-alert { margin-bottom: 20px; }
.na-switch { margin: 22px 0 0; color: var(--na-muted); font-size: 14px; text-align: center; }
.na-switch a { border-radius: 4px; color: var(--na-accent-ink); font-weight: 700; text-decoration: none; }
.na-switch a:hover { text-decoration: underline; text-underline-offset: 3px; }
/* Result panels carry their own next steps, so the flow switch would only repeat "back to sign in". */
.na-center:has(.na-result) > .na-switch { display: none; }

/* Overrides the site-wide footer element rule in globals.css. */
.na-foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  padding: 18px 0 24px;
  color: var(--na-muted);
  font-size: 12.5px;
}
.na-foot a { border-radius: 4px; color: inherit; text-decoration: none; }
.na-foot a:hover { color: var(--na-text); text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 480px) {
  .na-center { padding: 16px 0 28px; }
  .na-card { padding: 24px 18px; border-radius: 16px; }
}

/* ── 5. Card head ────────────────────────────────────────────────────────────────────────── */
.na-head { margin-bottom: 24px; }
.na-head__icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 14px;
  background: var(--na-accent-soft);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--na-accent) 18%, transparent);
  color: var(--na-accent);
}
.na-head__icon[data-tone="success"] {
  background: color-mix(in srgb, var(--na-success) 12%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--na-success) 24%, transparent);
  color: var(--na-success-ink);
}
.na-eyebrow { margin: 0 0 6px; color: var(--na-accent-ink); font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.na-title { margin: 0; font-size: 26px; line-height: 1.22; font-weight: 800; letter-spacing: -.025em; text-wrap: balance; }
.na-subtitle { margin: 8px 0 0; color: var(--na-muted); font-size: 14.5px; line-height: 1.6; }
/* A result panel (e.g. "check your inbox") carries its own icon and heading; the page heading stays for screen readers. */
.na-card:has(.na-result) > .na-head {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ── 6. Fields ───────────────────────────────────────────────────────────────────────────── */
.na-form { display: grid; gap: 18px; }
.na-field { display: grid; gap: 7px; min-width: 0; }
.na-label-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.na-label { color: var(--na-text); font-size: 13.5px; font-weight: 600; }
.na-control {
  position: relative;
  min-height: var(--na-h);
  display: flex;
  align-items: center;
  border: 1px solid var(--na-border-strong);
  border-radius: var(--na-radius-md);
  background: var(--na-field);
  transition: border-color var(--na-dur) var(--na-ease), box-shadow var(--na-dur) var(--na-ease), background var(--na-dur) var(--na-ease);
}
.na-control:hover { border-color: color-mix(in srgb, var(--na-accent) 38%, var(--na-border-strong)); }
.na-control:focus-within { border-color: var(--na-accent); box-shadow: 0 0 0 4px var(--na-focus); }
.na-control[data-invalid] { border-color: var(--na-danger); }
.na-control[data-invalid]:focus-within { box-shadow: 0 0 0 4px color-mix(in srgb, var(--na-danger) 22%, transparent); }
.na-control[data-readonly] { background: var(--na-surface-2); }
.na-control__icon {
  width: 44px;
  flex: none;
  display: grid;
  place-items: center;
  color: var(--na-subtle);
  pointer-events: none;
  transition: color var(--na-dur) var(--na-ease);
}
.na-control:focus-within .na-control__icon { color: var(--na-accent); }
.na-control[data-invalid] .na-control__icon { color: var(--na-danger-ink); }
.na-input {
  flex: 1;
  min-width: 0;
  height: calc(var(--na-h) - 2px);
  padding: 0 14px 0 0;
  border: 0;
  border-radius: calc(var(--na-radius-md) - 2px);
  outline: 0;
  background: transparent;
  color: var(--na-text);
  font: inherit;
  font-size: 15px;
}
.na-input::placeholder { color: var(--na-subtle); opacity: 1; }
.na-input::-ms-reveal, .na-input::-ms-clear { display: none; }
.na-input:-webkit-autofill {
  -webkit-text-fill-color: var(--na-text);
  caret-color: var(--na-text);
  box-shadow: 0 0 0 1000px var(--na-field) inset;
  transition: background-color 9999s ease-out;
}
.na-input--code { font-family: var(--na-mono); letter-spacing: .08em; text-transform: uppercase; }
@media (max-width: 640px) {
  /* 16px keeps iOS Safari from zooming into focused fields. */
  .na-input { font-size: 16px; }
}

.na-reveal {
  width: 40px;
  height: 40px;
  flex: none;
  display: grid;
  place-items: center;
  margin-right: 2px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--na-subtle);
  cursor: pointer;
  transition: color var(--na-dur) var(--na-ease), background var(--na-dur) var(--na-ease);
}
.na-reveal:hover { background: var(--na-hover); color: var(--na-text); }
.na-page .na-reveal:focus-visible { outline: 2px solid var(--na-accent); outline-offset: -3px; color: var(--na-text); }
.na-reveal[aria-pressed="true"] { color: var(--na-accent); }

.na-hint { display: flex; align-items: flex-start; gap: 6px; margin: 0; color: var(--na-muted); font-size: 13px; line-height: 1.45; }
.na-hint svg { flex: none; margin-top: 1.5px; }
.na-hint[data-tone="danger"] { color: var(--na-danger-ink); }
.na-hint[data-tone="warning"] { color: var(--na-warning-ink); }
.na-hint[data-tone="success"] { color: var(--na-success-ink); }

/* ── 7. Password strength ────────────────────────────────────────────────────────────────── */
.na-strength {
  --na-level-ink: var(--na-muted);
  --na-level-fill: var(--na-border-strong);
  display: grid;
  gap: 10px;
  margin-top: -6px;
  padding: 12px 14px;
  border: 1px solid var(--na-border);
  border-radius: var(--na-radius-md);
  background: var(--na-surface-2);
  transition: border-color var(--na-dur) var(--na-ease);
}
.na-strength[data-level="1"] { --na-level-ink: var(--na-danger-ink); --na-level-fill: var(--na-danger); }
.na-strength[data-level="2"] { --na-level-ink: var(--na-warning-ink); --na-level-fill: var(--na-warning); }
.na-strength[data-level="3"], .na-strength[data-level="4"] { --na-level-ink: var(--na-success-ink); --na-level-fill: var(--na-success); }
.na-strength[data-invalid] { border-color: color-mix(in srgb, var(--na-danger) 45%, var(--na-border)); }
.na-strength__head { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--na-muted); font-size: 12.5px; font-weight: 600; }
.na-strength__head strong { color: var(--na-level-ink); font-weight: 700; }
.na-strength__bar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 4px; }
.na-strength__bar i { height: 4px; border-radius: 999px; background: var(--na-border); transition: background var(--na-dur) var(--na-ease); }
.na-strength[data-level="1"] .na-strength__bar i:nth-child(-n + 1),
.na-strength[data-level="2"] .na-strength__bar i:nth-child(-n + 2),
.na-strength[data-level="3"] .na-strength__bar i:nth-child(-n + 3),
.na-strength[data-level="4"] .na-strength__bar i { background: var(--na-level-fill); }
.na-rules { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 12px; margin: 0; padding: 0; list-style: none; }
.na-rules li { display: flex; align-items: center; gap: 8px; color: var(--na-muted); font-size: 12.5px; transition: color var(--na-dur) var(--na-ease); }
.na-rules li[data-met] { color: var(--na-text); }
.na-rule__dot {
  width: 16px;
  height: 16px;
  flex: none;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--na-border-strong);
  border-radius: 50%;
  color: transparent;
  transition: background var(--na-dur) var(--na-ease), border-color var(--na-dur) var(--na-ease), color var(--na-dur) var(--na-ease);
}
.na-rule__dot svg { stroke-width: 3.2; }
.na-rules li[data-met] .na-rule__dot { border-color: var(--na-success); background: var(--na-success); color: #fff; }
.na-strength[data-invalid] .na-rules li:not([data-met]) { color: var(--na-danger-ink); }
.na-strength[data-invalid] .na-rules li:not([data-met]) .na-rule__dot { border-color: var(--na-danger); }
@media (max-width: 420px) {
  .na-rules { grid-template-columns: minmax(0, 1fr); }
}

/* ── 8. Alerts ───────────────────────────────────────────────────────────────────────────── */
.na-alert {
  --tone: var(--na-info);
  --tone-ink: var(--na-info-ink);
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 14px;
  border: 1px solid color-mix(in srgb, var(--tone) 30%, transparent);
  border-radius: var(--na-radius-md);
  background: color-mix(in srgb, var(--tone) 8%, var(--na-surface));
  color: var(--na-text);
  font-size: 13.5px;
  line-height: 1.5;
  text-align: left;
}
.na-alert[data-tone="success"] { --tone: var(--na-success); --tone-ink: var(--na-success-ink); }
.na-alert[data-tone="warning"] { --tone: var(--na-warning); --tone-ink: var(--na-warning-ink); }
.na-alert[data-tone="danger"] { --tone: var(--na-danger); --tone-ink: var(--na-danger-ink); }
.na-alert__icon { flex: none; margin-top: 1px; color: var(--tone-ink); }
.na-alert__body { min-width: 0; display: grid; gap: 2px; }
.na-alert__body strong { color: var(--tone-ink); font-weight: 700; }
.na-alert__body p { margin: 0; }
.na-alert__action {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  border-radius: 4px;
  color: var(--tone-ink);
  font-weight: 700;
  text-decoration: none;
}
.na-alert__action:hover { text-decoration: underline; text-underline-offset: 3px; }
.na-alert small { margin-top: 4px; color: var(--na-muted); font-size: 12px; overflow-wrap: anywhere; }

/* ── 9. Buttons · links ──────────────────────────────────────────────────────────────────── */
.na-btn {
  position: relative;
  min-height: var(--na-h);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 18px;
  border: 1px solid var(--na-border-strong);
  border-radius: var(--na-radius-md);
  background: var(--na-surface);
  color: var(--na-text);
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  transition: background var(--na-dur) var(--na-ease), border-color var(--na-dur) var(--na-ease), box-shadow var(--na-dur) var(--na-ease), transform var(--na-dur) var(--na-ease), opacity var(--na-dur) var(--na-ease);
}
.na-btn:hover { border-color: color-mix(in srgb, var(--na-text) 20%, var(--na-border-strong)); background: var(--na-surface-2); }
.na-btn:active { transform: translateY(1px); }
.na-btn:focus-visible { border-color: var(--na-accent); outline: 0; box-shadow: 0 0 0 4px var(--na-focus); }
.na-btn--primary {
  border-color: transparent;
  background: linear-gradient(180deg, var(--na-btn-from), var(--na-btn-to));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 10px 22px -10px color-mix(in srgb, var(--na-btn-to) 85%, transparent);
  color: #fff;
}
.na-btn--primary:hover {
  border-color: transparent;
  background: linear-gradient(180deg, color-mix(in srgb, var(--na-btn-from) 88%, #fff), var(--na-btn-to));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), 0 14px 26px -10px color-mix(in srgb, var(--na-btn-to) 90%, transparent);
}
.na-btn--primary:focus-visible { border-color: transparent; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .18), 0 0 0 4px var(--na-focus); }
.na-btn--block { width: 100%; }
.na-btn[data-busy] { cursor: progress; opacity: .88; }
.na-btn:disabled { box-shadow: none; cursor: not-allowed; opacity: .6; transform: none; }
.na-spinner {
  width: 16px;
  height: 16px;
  flex: none;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: na-spin .7s linear infinite;
}

.na-link { border-radius: 4px; color: var(--na-accent-ink); font-weight: 600; text-decoration: none; }
.na-link:hover { text-decoration: underline; text-underline-offset: 3px; }
.na-link--sm { font-size: 13px; }
.na-link-btn {
  justify-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 12px;
  border: 0;
  border-radius: var(--na-radius-sm);
  background: none;
  color: var(--na-accent-ink);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--na-dur) var(--na-ease);
}
.na-link-btn:hover { background: var(--na-accent-soft); }

/* ── 10. Supporting blocks ───────────────────────────────────────────────────────────────── */
.na-legal { margin: 0; color: var(--na-muted); font-size: 12.5px; line-height: 1.6; text-align: center; }
.na-legal a {
  border-radius: 3px;
  color: var(--na-text);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--na-border-strong);
  text-underline-offset: 2px;
}
.na-legal a:hover { color: var(--na-accent-ink); text-decoration-color: currentColor; }

.na-account {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border: 1px dashed var(--na-border-strong);
  border-radius: var(--na-radius-md);
  background: var(--na-surface-2);
  color: var(--na-muted);
  font-size: 13.5px;
}
.na-account svg { flex: none; color: var(--na-accent); }
.na-account span { min-width: 0; overflow-wrap: anywhere; }
.na-account strong { color: var(--na-text); font-weight: 600; }

.na-result { display: grid; justify-items: center; text-align: center; }
.na-result__icon {
  width: 60px;
  height: 60px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  border-radius: 18px;
  background: var(--na-accent-soft);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--na-accent) 5%, transparent);
  color: var(--na-accent);
}
.na-result[data-tone="success"] .na-result__icon {
  background: color-mix(in srgb, var(--na-success) 12%, transparent);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--na-success) 5%, transparent);
  color: var(--na-success-ink);
}
.na-result[data-tone="danger"] .na-result__icon {
  background: color-mix(in srgb, var(--na-danger) 12%, transparent);
  box-shadow: 0 0 0 8px color-mix(in srgb, var(--na-danger) 5%, transparent);
  color: var(--na-danger-ink);
}
.na-result__title { margin: 0; font-size: 22px; line-height: 1.25; font-weight: 800; letter-spacing: -.02em; }
.na-result__title:focus { outline: none; }
.na-result__text { margin: 10px 0 0; color: var(--na-muted); font-size: 14.5px; line-height: 1.65; }
.na-result__text strong { color: var(--na-text); font-weight: 600; overflow-wrap: anywhere; }
.na-result > .na-tips { margin-top: 20px; }
.na-result > .na-alert { width: 100%; margin-top: 16px; }
.na-result__actions { width: 100%; display: grid; gap: 10px; margin-top: 22px; }

.na-tips {
  width: 100%;
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px 14px;
  border: 1px solid var(--na-border);
  border-radius: var(--na-radius-md);
  background: var(--na-surface-2);
  list-style: none;
  text-align: left;
}
.na-tips li { display: flex; align-items: flex-start; gap: 9px; color: var(--na-muted); font-size: 13px; line-height: 1.5; }
.na-tips svg { flex: none; margin-top: 2px; color: var(--na-accent); }
.na-actions { display: grid; gap: 10px; }
.na-stack { display: grid; gap: 18px; }
.na-loading { min-height: 120px; display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0; color: var(--na-muted); font-size: 14px; }
.na-loading .na-spinner { color: var(--na-accent); }

/* ── 11. One-time code input ─────────────────────────────────────────────────────────────── */
.na-otp { position: relative; }
.na-otp__input {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: transparent;
  caret-color: transparent;
  font-size: 16px;
  opacity: 0;
  cursor: text;
}
.na-otp__slots { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)) 14px repeat(3, minmax(0, 1fr)); gap: 8px; }
.na-otp__slot {
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--na-border-strong);
  border-radius: var(--na-radius-md);
  background: var(--na-field);
  color: var(--na-text);
  font-size: 24px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transition: border-color var(--na-dur) var(--na-ease), box-shadow var(--na-dur) var(--na-ease), background var(--na-dur) var(--na-ease);
}
.na-otp__slot[data-filled] {
  border-color: color-mix(in srgb, var(--na-accent) 45%, var(--na-border-strong));
  background: color-mix(in srgb, var(--na-accent) 4%, var(--na-field));
}
.na-otp__slot[data-active] { border-color: var(--na-accent); box-shadow: 0 0 0 4px var(--na-focus); }
.na-otp__sep { width: 10px; height: 2px; place-self: center; border-radius: 2px; background: var(--na-border-strong); }
.na-otp__caret { width: 2px; height: 26px; border-radius: 1px; background: var(--na-accent); animation: na-blink 1s linear infinite; }
.na-otp[data-invalid] .na-otp__slot { border-color: var(--na-danger); }
.na-otp[data-invalid] .na-otp__slot[data-active] { box-shadow: 0 0 0 4px color-mix(in srgb, var(--na-danger) 22%, transparent); }
.na-otp[data-invalid] .na-otp__slots { animation: na-shake .4s var(--na-ease); }
@media (max-width: 400px) {
  .na-otp__slots { grid-template-columns: repeat(3, minmax(0, 1fr)) 8px repeat(3, minmax(0, 1fr)); gap: 6px; }
  .na-otp__slot { height: 50px; font-size: 21px; }
}

/* ── 12. Utilities · motion ──────────────────────────────────────────────────────────────── */
.na-sr {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

@keyframes na-rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes na-spin { to { transform: rotate(360deg); } }
@keyframes na-blink { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes na-shake {
  0%, 100% { transform: none; }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(5px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
}

@media (prefers-reduced-motion: reduce) {
  .na-page *, .na-page *::before, .na-page *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}